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Table 3 Multiple logistic regression models for factors associated with false-positive (n = 223)

From: Discordance between self-reported arthritis and musculoskeletal signs and symptoms in older women

Characteristics

False-positive

Model 1a

Model 1b

Model 1c

Model 1d

Odds ratio

(95% CI)

Odds ratio

(95% CI)

Odds ratio

(95% CI)

Odds ratio

(95% CI)

Age

0.97

(0.79–1.19)

0.98

(0.78–1.23)

1.01

(0.81–1.25)

1.00

(0.78–1.27)

Married or de facto

1.34

(0.66–2.73)

0.89

(0.39–2.05)

1.09

(0.51–2.31)

1.06

(0.47–2.40)

Residing in urban area

1.44

(0.80–2.61)

1.15

(0.60–2.22)

1.39

(0.75–2.57)

0.90

(0.45–1.83)

High school or less

0.76

(0.43–1.34)

0.79

(0.42–1.47)

0.93

(0.51–1.70)

0.80

(0.41–1.56)

Current smoker

1.85

(0.66–5.21)

1.56

(0.49–4.91)

1.92

(0.65–5.68)

1.65

(0.50–5.48)

Obese

0.68

(0.36–1.27)

0.63

(0.31–1.28)

0.77

(0.40–1.49)

0.74

(0.34–1.59)

Comorbidity

  

1.24

(0.95–1.62)

1.19

(0.94–1.51)

1.24

(0.96–1.61)

PCS†

  

1.08

(1.04–1.12)**

    

MCS†

  

1.01

(0.98–1.05)

    

HAQ Disability Index‡

    

0.33

(0.17–0.63)**

  

WOMAC total score‡

      

0.97

(0.95–0.99)**

  1. *P ≤ 0.05, **P ≤ 0.01. Abbreviations: CI confidence interval, PCS SF-36 physical summary score, MCS SF-36 mental summary score, HAQ Health Assessment Questionnaire, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
  2. †Higher PCS and MCS scores indicate better health. ‡Higher HAQ and WOMAC scores indicate worse symptoms